20 years
The US was the primary combatant of the Korean War.
the Korean war lasted for 3 years.
Korea maybe?
The Korean War was the FIRST "Hot" battle of the Cold War.
Great
interist
The Korean war
U.S. was involved in the Korean war for three years.
No.
Truman. Lololol
Stopping the spread of communism
There were NO preparations. We were just recovering from WW2, when the Korean War started; it takes a few years to recover from a world war.